[obj2yaml] - Fix BB after r373315.
[llvm-complete.git] / lib / Target / AMDGPU / MCTargetDesc / AMDGPUMCTargetDesc.cpp
blob88df64d18cc5ed415cbb2b3c88325ac74f2dc9ca
1 //===-- AMDGPUMCTargetDesc.cpp - AMDGPU Target Descriptions ---------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 /// \file
10 /// This file provides AMDGPU specific target descriptions.
12 //===----------------------------------------------------------------------===//
14 #include "AMDGPUMCTargetDesc.h"
15 #include "AMDGPUELFStreamer.h"
16 #include "AMDGPUInstPrinter.h"
17 #include "AMDGPUMCAsmInfo.h"
18 #include "AMDGPUTargetStreamer.h"
19 #include "SIDefines.h"
20 #include "TargetInfo/AMDGPUTargetInfo.h"
21 #include "llvm/MC/MCAsmBackend.h"
22 #include "llvm/MC/MCCodeEmitter.h"
23 #include "llvm/MC/MCContext.h"
24 #include "llvm/MC/MCInstrAnalysis.h"
25 #include "llvm/MC/MCInstrInfo.h"
26 #include "llvm/MC/MCObjectWriter.h"
27 #include "llvm/MC/MCRegisterInfo.h"
28 #include "llvm/MC/MCStreamer.h"
29 #include "llvm/MC/MCSubtargetInfo.h"
30 #include "llvm/MC/MachineLocation.h"
31 #include "llvm/Support/ErrorHandling.h"
32 #include "llvm/Support/TargetRegistry.h"
34 using namespace llvm;
36 #define GET_INSTRINFO_MC_DESC
37 #include "AMDGPUGenInstrInfo.inc"
39 #define GET_SUBTARGETINFO_MC_DESC
40 #include "AMDGPUGenSubtargetInfo.inc"
42 #define NoSchedModel NoSchedModelR600
43 #define GET_SUBTARGETINFO_MC_DESC
44 #include "R600GenSubtargetInfo.inc"
45 #undef NoSchedModelR600
47 #define GET_REGINFO_MC_DESC
48 #include "AMDGPUGenRegisterInfo.inc"
50 #define GET_REGINFO_MC_DESC
51 #include "R600GenRegisterInfo.inc"
53 static MCInstrInfo *createAMDGPUMCInstrInfo() {
54 MCInstrInfo *X = new MCInstrInfo();
55 InitAMDGPUMCInstrInfo(X);
56 return X;
59 static MCRegisterInfo *createAMDGPUMCRegisterInfo(const Triple &TT) {
60 MCRegisterInfo *X = new MCRegisterInfo();
61 if (TT.getArch() == Triple::r600)
62 InitR600MCRegisterInfo(X, 0);
63 else
64 InitAMDGPUMCRegisterInfo(X, 0);
65 return X;
68 static MCSubtargetInfo *
69 createAMDGPUMCSubtargetInfo(const Triple &TT, StringRef CPU, StringRef FS) {
70 if (TT.getArch() == Triple::r600)
71 return createR600MCSubtargetInfoImpl(TT, CPU, FS);
72 return createAMDGPUMCSubtargetInfoImpl(TT, CPU, FS);
75 static MCInstPrinter *createAMDGPUMCInstPrinter(const Triple &T,
76 unsigned SyntaxVariant,
77 const MCAsmInfo &MAI,
78 const MCInstrInfo &MII,
79 const MCRegisterInfo &MRI) {
80 if (T.getArch() == Triple::r600)
81 return new R600InstPrinter(MAI, MII, MRI);
82 else
83 return new AMDGPUInstPrinter(MAI, MII, MRI);
86 static MCTargetStreamer *createAMDGPUAsmTargetStreamer(MCStreamer &S,
87 formatted_raw_ostream &OS,
88 MCInstPrinter *InstPrint,
89 bool isVerboseAsm) {
90 return new AMDGPUTargetAsmStreamer(S, OS);
93 static MCTargetStreamer * createAMDGPUObjectTargetStreamer(
94 MCStreamer &S,
95 const MCSubtargetInfo &STI) {
96 return new AMDGPUTargetELFStreamer(S, STI);
99 static MCStreamer *createMCStreamer(const Triple &T, MCContext &Context,
100 std::unique_ptr<MCAsmBackend> &&MAB,
101 std::unique_ptr<MCObjectWriter> &&OW,
102 std::unique_ptr<MCCodeEmitter> &&Emitter,
103 bool RelaxAll) {
104 return createAMDGPUELFStreamer(T, Context, std::move(MAB), std::move(OW),
105 std::move(Emitter), RelaxAll);
108 namespace {
110 class AMDGPUMCInstrAnalysis : public MCInstrAnalysis {
111 public:
112 explicit AMDGPUMCInstrAnalysis(const MCInstrInfo *Info)
113 : MCInstrAnalysis(Info) {}
115 bool evaluateBranch(const MCInst &Inst, uint64_t Addr, uint64_t Size,
116 uint64_t &Target) const override {
117 if (Inst.getNumOperands() == 0 || !Inst.getOperand(0).isImm() ||
118 Info->get(Inst.getOpcode()).OpInfo[0].OperandType !=
119 MCOI::OPERAND_PCREL)
120 return false;
122 int64_t Imm = Inst.getOperand(0).getImm();
123 // Our branches take a simm16, but we need two extra bits to account for
124 // the factor of 4.
125 APInt SignedOffset(18, Imm * 4, true);
126 Target = (SignedOffset.sext(64) + Addr + Size).getZExtValue();
127 return true;
131 } // end anonymous namespace
133 static MCInstrAnalysis *createAMDGPUMCInstrAnalysis(const MCInstrInfo *Info) {
134 return new AMDGPUMCInstrAnalysis(Info);
137 extern "C" void LLVMInitializeAMDGPUTargetMC() {
139 TargetRegistry::RegisterMCInstrInfo(getTheGCNTarget(), createAMDGPUMCInstrInfo);
140 TargetRegistry::RegisterMCInstrInfo(getTheAMDGPUTarget(), createR600MCInstrInfo);
141 for (Target *T : {&getTheAMDGPUTarget(), &getTheGCNTarget()}) {
142 RegisterMCAsmInfo<AMDGPUMCAsmInfo> X(*T);
144 TargetRegistry::RegisterMCRegInfo(*T, createAMDGPUMCRegisterInfo);
145 TargetRegistry::RegisterMCSubtargetInfo(*T, createAMDGPUMCSubtargetInfo);
146 TargetRegistry::RegisterMCInstPrinter(*T, createAMDGPUMCInstPrinter);
147 TargetRegistry::RegisterMCInstrAnalysis(*T, createAMDGPUMCInstrAnalysis);
148 TargetRegistry::RegisterMCAsmBackend(*T, createAMDGPUAsmBackend);
149 TargetRegistry::RegisterELFStreamer(*T, createMCStreamer);
152 // R600 specific registration
153 TargetRegistry::RegisterMCCodeEmitter(getTheAMDGPUTarget(),
154 createR600MCCodeEmitter);
155 TargetRegistry::RegisterObjectTargetStreamer(
156 getTheAMDGPUTarget(), createAMDGPUObjectTargetStreamer);
158 // GCN specific registration
159 TargetRegistry::RegisterMCCodeEmitter(getTheGCNTarget(),
160 createSIMCCodeEmitter);
162 TargetRegistry::RegisterAsmTargetStreamer(getTheGCNTarget(),
163 createAMDGPUAsmTargetStreamer);
164 TargetRegistry::RegisterObjectTargetStreamer(
165 getTheGCNTarget(), createAMDGPUObjectTargetStreamer);